Residential delivery area · Delaware
ZIP Code 19904: Dover, DE
ZIP code 19904 uses the postal name Dover, Delaware and lies entirely in Kent County (Census 2020 ZIP-county file). About 39,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Dover's 2 residential ZIP codes. Median household income is $66,908 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Dover (21%), Cheswold (3%) and Rodney Village (1%), and 3% in smaller places; 71% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Dover · 2 residential ZIPs
- County
- Kent County
- Census places
- Dover (21%); Cheswold (3%); Rodney Village (1%) census-designated place
- Metro area
- Dover, DE
- House district
- DE at large 119th Congress
- State
- Delaware
- Time zone
- Eastern
- Land area
- 43.2 sq mi · 899 people per sq mi
Where is ZIP code 19904?
19904 centers on 39.171°, -75.588° and covers 43.2 square miles of land plus 0.3 of water. It borders 8 ZIP codes: 19936, 19953, 19901, 19934, 19980, 19938, 19977, 19943.
The map draws ZIP code areas only. For the streets inside 19904, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 19904 compare with the rest of Dover?
| Measure | 19904 | In Dover | In Kent County | In DE |
|---|---|---|---|---|
| People (ACS 2020-2024) | 38,818 | 1st of 2 | 1st of 19 | 8th of 68 |
| Median household income | $67k | 1st of 2 | 10th of 12 | 40th of 48 |
| Median home value | $309k | 1st of 2 | 8th of 12 | 32nd of 50 |
Its median household income is higher than in 42% of U.S. residential ZIP codes, and it is denser than 77% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 19904?
The 2020 Census counted 36,880 people in 19904; the ACS, which samples households over 2020-2024, estimates 38,818. Between the 2010 and 2020 censuses its population grew 8.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 38,818
- 2020 Census count
- 36,880+8.1% since 2010 (34,132)
- Households
- 14,986
- Median age
- 39.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 19904?
Of the 38,818 people the ACS estimates in 19904, 22.2% are under 18 and 18.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (46.9%), then Black (not Hispanic) (35.2%).
- Under 1822.2%
- 18 to 6458.8%
- 65 and older18.9%
- White, not Hispanic46.9%
- Black, not Hispanic35.2%
- Hispanic or Latino7.9%
- Other or two or more6.6%
- Asian, not Hispanic3.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 19904 earn?
Median household income is $66,908 (ACS 2020-2024), the 10th highest of the 12 ranked ZIP codes in Kent County. It fell from $74,956 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $66,908
- Income per person
- $35,054
- Below the poverty line
- 14.2%
- Unemployed (of the labor force)
- 5.8%
- Adults 25+ with a bachelor's degree
- 27.3%
- Adjusted gross income per tax return, 2022
- $63,23017,590 returns; wages 67% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 19904?
FHFA's house price index for 19904, built from repeat sales and appraisals of the same homes, rose 80% from 2015 to 2025 and rose 49% from 2020 to 2025, and moved +2.0% in 2025.
- Median home value (owners' estimate)
- $309,400
- Median gross rent
- $1,370
- Homes owned by their occupants
- 62.0%
- Housing units
- 16,108
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 19904?
1,016 business establishments had a location in this ZIP code in 2023, 217 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance195
- Professional, scientific, and technical services180
- Retail trade104
- Other services (except public administration)88
- Accommodation and food services58
- Administrative and support and waste management and remediation services54
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 19904?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 19936 | Cheswold | 152 | $34k | 3.3 mi |
| 19953 | Hartly | 5,255 | $82k | 5.9 mi |
| 19901 | Dover | 37,763 | $66k | 6.2 mi |
| 19934 | Camden Wyoming | 14,061 | $87k | 6.3 mi |
| 19980 | Woodside | 268 | $85k | 6.8 mi |
| 19938 | Clayton | 9,561 | $100k | 8.4 mi |
| 19977 | Smyrna | 27,704 | $77k | 9.1 mi |
| 19943 | Felton | 13,410 | $74k | 11.6 mi |
| 19955 | Kenton | 352 | $45k | 5.6 mi (near) |
| 19902 | Dover Afb | 44 | – | 7.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.